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Finding the Fourth Proportional to 4,933,314.05, 6,808,023.88 and 2,757,978.05

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Solution

The fourth proportional to 4,933,314.05, 6,808,023.88 and 2,757,978.05 is: 3,806,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933,314.05 : 6,808,023.88 = 2,757,978.05 : x
  2. Step 2: Convert to fraction form
    4,933,314.05/6,808,023.88 = 2,757,978.05/x
  3. Step 3: Cross multiply
    4,933,314.05x = 6,808,023.88 × 2,757,978.05
  4. Step 4: Simplify right side
    4,933,314.05x = 18,776,380,383,980.77
  5. Step 5: Solve for x
    x = 18,776,380,383,980.77/4,933,314.05
  6. Step 6: Final answer
    x = 3,806,037.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.